A first for Canada and related to OH&S Part 18 Personal Protective Equipment.

CSA Z462-12 Clause 4.3.7.3.11 and Clause 4.3.7.3.12 are proposed to be adopted. These Clauses identify what arc-rated clothing is and details.

This is a significant "first." It is only two Clauses, but inherently that means you should consider the rest of the Standard as well would be my opinion.